Leeham News and Analysis
There's more to real news than a news release.
Leeham News and Analysis
- Bjorn’s Corner: New engine development. Part 4. Propulsive efficiency April 19, 2024
- Boeing unlikely to meet FAA’s 90-day deadline for new safety program April 18, 2024
- Focus on quality not slowing innovation, says GKN April 18, 2024
- Boeing defends 787, 777 against whistleblower charges April 17, 2024
- Dissecting Boeing CEO’s statement next new airplane will cost $50bn April 15, 2024
Bjorn’s Corner: The challenges of hydrogen. Part 28. Airbus priorities
March 12, 2021, ©. Leeham News: I had the chance to talk about Sustainable Air Transport with Airbus VP Zero Emission Aircraft, Glenn Llewellyn, in the week. The discussion centered around Airbus’ overall direction and the targets with… Read More
The A350, Part 8 A350-1000 Intro
Subscription Required By Vincent Valery Introduction Mar. 4, 2021, © Leeham News: After assessing the performance of the A350-900 and its ULR variant, we now turn our attention to the largest A350 variant, the -1000. It entered service… Read More
Bjorn’s Corner: The challenges of hydrogen. Part 26. Auxiliary power
February 26, 2021, ©. Leeham News: Last week we discussed auxiliary power generation for a hydrogen aircraft and found that a fuel cell system had many attractions. However, it’s more challenging to develop than a hydrogen-converted APU, and… Read More
Bjorn’s Corner: The challenges of hydrogen. Part 25. Auxiliary power
February 19, 2021, ©. Leeham News: Last week we discussed hydrogen aircraft propulsion and found a shaft power producing gas turbine was considerably more weight-efficient than a fuel cell powering an electric motor. Both had the same 55%… Read More
Podcast: 10 Minutes About Sustainable Air Transport
Feb. 16, 2021, © Leeham News: Electrically powered aircraft. Or hybrids. Or bio-fuels. Or hydrogen. These are the alternative suggested by environmentalists and industry to reduce carbon emissions by the airlines. Which makes sense? Which is practical? Today’s… Read More
Bjorn’s Corner: The challenges of hydrogen. Part 24. Propulsion choice
February 12, 2021, ©. Leeham News: After covering the basics of fuel cells last week in our hydrogen airliner series, we now look at what type of system to choose for aircraft propulsion and onboard systems power. We… Read More
Bjorn’s Corner: The challenges of hydrogen. Part 23. Hydrogen fuel cells
February 5, 2021, ©. Leeham News: Last week, we started the discussion around fuel cells as a source of electric energy in airliners. We went through the principle and asked some vital questions. Now we look at different… Read More
The A350, Part 4, A350-900
Subscription Required By Vincent Valery Introduction Feb. 4, 2021, © Leeham News: After comparing the rejected Airbus A350-800 and its replacement A330-900, we now turn our attention to the main A350 variant, the -900. It was the main… Read More
The 737 MAX – A Tragedy 60 years in the Making
This is the first in a series. Special to Leeham News. By Peter W. Lemme Twitter satcom_guru www.satcom.guru Part 1: Min to the Max The Customer is Always Right Heredity Boeing 757 Misses the Mark Where were you… Read More